Objectives of Paper Coating

2017-01-08T00:14:25+00:00 Categories: Coating|Tags: , , , , , , , , |

 Objectives of Paper Coating The main purpose of coating is to improve the surface quality of paper or board. The quality improvement can be aimed at optical properties such as brightness, gloss or opacity, at tactile properties such as smoothness, but, most importantly, at printability and print image quality. The application of (usually white) pigments [...]

Non-fiber Raw Materials For Paper

2017-01-08T00:14:25+00:00 Categories: Raw Materials|Tags: , , , , , , , , , |

Pigments as Fillers Mineral fillers have long been used in papermaking. While they can be found in different paper and board grades, printing [...]

Requirements of Coated Papers for the Printing Process

2017-01-08T00:14:26+00:00 Categories: Coating|Tags: , , , , , , , , , |

Requirements of Coated Papers for the Printing Process Printed matters are used for advertising, news and information, transactions, edu¬cation, and entertainment. Here they are in competition with other communica¬tion media, such as radio and television, and the internet. Printing on packaging paper and board has the functions of advertising, delivering information, and showing data such [...]

Requirements of Base Papers : Board for Coating

2017-01-08T00:14:27+00:00 Categories: Coating|Tags: , , , , , , , |

Requirements of Base Papers/Board for Coating General Aspects Coated papers are classified as wood-containing or mechanical papers, and fine papers, which are also called woodfree, or WF papers. Wood-containing papers are made of a fiber furnish such as groundwood or other mechanical pulps. Recycled fibers (RCF) are also currently an important and steadily growing raw [...]